Johnson Controls BQ 036, BQ 060, BQ 048 installation manual Enthalpy Setpoint Adjustment

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364985-XIM-B-0508

CONTROL

CONTROL POINT

 

 

APPROX. 0F (0C)

85

90 95 100 105 110

CURVE

AT 50% RH

(29)

(32) (35) (38) (41) (43)

 

A73 (23)

B

70 (21)

80

(27)

C

67 (19)

 

D63 (17)

45

75

(24)

70

(21)

65

(18)

60

(16)

55

(13) A

50 B

(10) C

(7)

D

40

(4)

35

(2)

D C B A

35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110

(2)(4) (7) (10) (13) (16) (18) (21) (24) (27) (29) (32) (35) (38) (41) (43)

APPROXIMATE DRY BULB TEMPERATURE - 0F (0C)

FIGURE 4 - ENTHALPY SETPOINT ADJUSTMENT

Exhaust Air

Adjustment

Screw

Exhaust Air LED

Damper Min.

Position

Screw

N1

N

EXH

TR

TR1

Set

 

 

 

 

 

 

 

24

24

P1

P

EXH

Vac

Vac

 

 

 

HOT

COM

 

 

 

Min

Indoor Air Quality

T1

T

Pos

Max. Adjustment

 

 

 

 

Screw

 

 

 

 

 

 

IAQ

Indoor Air Quality

 

 

Max

 

 

 

LED

 

 

IAQ

 

AQ1

AQ

 

 

+

1

 

 

2

 

5

Indoor Air Quality

Min. Adjustment

Screw

Free Cooling LED

Economizer Enthalpy

Set Point Adjustment

Screw

 

IAQ

SO+ SO

Min

 

 

Free

 

 

Cool

SR+

SR

 

 

B

C

 

A

D

3

 

 

4

 

 

 

 

EF

 

 

EF1

 

 

 

 

FIGURE 5 - HONEYWELL ECONOMIZER CONTROL W7212

Johnson Controls Unitary Products

13

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Contents Installation Table of Contents List of Tables List of FiguresGeneral Safety ConsiderationsInspection ReferenceTon Sunline Simplicity Model Number Nomenclature Product NomenclatureInstallation Safety Information InstallationLimitations Unit Application Data BQClearances Rigging and HandlingDuctwork Condensate DrainCompressors Service AccessFilters Typical Power Wiring Control Wire Sizes Power and Control WiringOPTIONS/ACCESSORIES ThermostatElectric Heater CFM Limitations Minimum Position Adjustment Enthalpy Setpoint Adjustment BQ 6 Point Loads Weight Distribution BQ 4 Point Loads Weight DistributionPhysical Data Operating Weights LBSMCA Pwr Max Size Motors Fuse XIM-B-0508 Pwr Max MCA1 Voltage LIMITATIONS1 Electric Heat Correction FactorsUnit with Economizer Rainhood Minimum Clearances Unit Dimensions Rear ViewRPM BHP BHP RPM BHP Belt Drive Blower Motor and Drive Data Belt Drive RPM SelectionStatic Resistances Drive Selection Factor Supply AIR Blowers PhasingChecking Supply AIR CFM Sequence of Operations Overview OperationCooling Sequence of Operation Cooling Operation Errors Reset Safety ControlsCompressor Protection Flash CodesHeat Anticipator Setpoints Electric Heat Limit Control SettingSTART-UP Cooling TroubleshootingXIM-B-0508 Unit Control Board Flash Codes Unit Flash CodesNormal Maintenance MaintenanceMotors Outdoor CoilXIM-B-0508 Johnson Controls Unitary Products Johnson Controls Unitary Products York Drive Norman, OK

BQ 048, BQ 036, BQ 060 specifications

Johnson Controls has established itself as a leading player in the HVAC and building management industries, and its BQ series of chillers - including the BQ 060, BQ 036, and BQ 048 - reflects this commitment to innovation and efficiency. These models are designed to provide advanced cooling solutions suitable for a variety of commercial applications.

The BQ 060 is particularly notable for its high-performance capabilities. With a cooling capacity of 60 tons, it utilizes variable-speed compressors, allowing it to adjust its performance based on the cooling demand. This flexibility not only enhances energy efficiency but also reduces operational costs. The unit incorporates advanced microprocessor controls that facilitate seamless integration with building management systems, enabling real-time monitoring and adjustments.

Moving on to the BQ 036, this model is engineered for facilities that require a smaller footprint but still demand reliability and efficiency. With a cooling capacity of 36 tons, it features a compact design without compromising on performance. The BQ 036 also employs environmentally friendly refrigerants, aligning with Johnson Controls' commitment to sustainability. Enhanced insulation and sound-dampening technologies make it an ideal choice for noise-sensitive environments, ensuring comfort without sacrificing efficiency.

The BQ 048 lies in between the two, with a capacity of 48 tons, making it versatile for medium-sized commercial buildings. Its design incorporates a modular approach, allowing for easy scalability in future expansions. This model also features energy recovery options that can utilize excess heat to improve overall efficiency, further solidifying its role in sustainable building practices. Its user-friendly interface enhances operability, simplifying management for building operators.

All three models of the BQ series share key characteristics, such as robust construction to withstand diverse environmental conditions, and low maintenance requirements thanks to their durable components. They utilize advanced technologies for temperature control and energy efficiency, including an intelligent controller that automates more routine tasks. Together, the BQ 060, BQ 036, and BQ 048 offer comprehensive solutions that cater to the growing demands of energy efficiency, sustainability, and reliability in modern building operations. With these chillers, Johnson Controls continues to lead the way in shaping the future of HVAC solutions.